[英]I can't Open my excel file in c#
下面是我的代碼,我試圖在c#應用程序中打開excel文件,但是程序給我一個錯誤消息“無法訪問“我的excel.xls”。但是當我在字符串路徑變量中指定文件路徑時,問題是我需要從openFileDialog獲取文件路徑。
using System;
using System.IO;
using System.Collections.Generic;
using System.Text;
using System.Data;
using System.Windows.Forms;
using System.Data.OleDb;
using System.Reflection;
using MOIE = Microsoft.Office.Interop.Excel;
using OFFICE = Microsoft.Office.Core;
namespace EmpUploader
{
public class ExcelCon
{
private OleDbDataReader reader = null;
private OleDbCommand excelCommand = new OleDbCommand();
private OleDbDataAdapter adapter = new OleDbDataAdapter();
private DataTable excelData = new DataTable();
private MOIE.ApplicationClass objExcel = new MOIE.ApplicationClass();
private MOIE.Workbook wb = null;
private string myConn = "";
private string strSQL = "";
private string err = "";
private string path2 = "";
private int sheetCount = 0;
private OleDbConnection Con = new OleDbConnection("");
#region "excel interop prarameters"
private static object xl_missing = Type.Missing;
private static object xl_true = true;
private static object xl_false = false;
private object xl_update_links = xl_missing;
private object xl_read_only = xl_missing;
private object xl_format = xl_missing;
private object xl_password = xl_missing;
private object xl_write_res_password = xl_missing;
private object xl_ignore_read_only = xl_missing;
private object xl_origin = xl_missing;
private object xl_delimiter = xl_missing;
private object xl_editable = xl_missing;
private object xl_notify = xl_missing;
private object xl_converter = xl_missing;
private object xl_add_to_mru = xl_missing;
private object xl_local = xl_missing;
private object xl_corrupt_load = xl_missing;
#endregion
}
//MY CODE FOR OPENING THE EXCEL
//note that my file path came from an openfiledialog
public void InitializeConnection(string path)
{
//connection string for excel
myConn = @"Provider=Microsoft.Jet.OLEDB.4.0; Data Source=" + path + "; Extended Properties =Excel 8.0";
Con.ConnectionString = myConn;
Con.Open();
//this is the sample specified path that worked when i test my application
//path = @"C:\shinetsu p5 emp list.xls";
objExcel.Visible = false;
wb = objExcel.Workbooks.Open(path, xl_update_links, xl_read_only, xl_format, xl_password, xl_write_res_password, xl_ignore_read_only, xl_origin, xl_delimiter, xl_editable, xl_notify, xl_converter, xl_add_to_mru, xl_local, xl_corrupt_load);
sheetCount = wb.Worksheets.Count;
}
}
OpenFileDialog類具有屬性“ FileName”,其中包含文件的全名(路徑+文件名)。 因此,只需將該屬性用作“路徑”變量即可。
http://msdn.microsoft.com/zh-CN/library/system.windows.forms.openfiledialog_members.aspx
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